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Germicidal lamp G4T4230 views2 commentsSilverRay15/12/21 at 20:01AngryHorse: I bet that’s so you can’t plug it into a PL socket...

Old OSRAM spectral lamps195 views1 commentsSilverRay11/12/21 at 10:47Andy: Great photo of these older style Osram spectral la...

Old OSRAM spectral lamps177 views2 commentsSilverRay11/12/21 at 09:23SilverRay: About 50..60W of pure mercury arc is really bright...

Old OSRAM spectral lamps177 views2 commentsSilverRay11/12/21 at 08:46AngryHorse: That’s quite bright considering it’s only a spectr...

Red lamps with T-H base213 views1 commentsSilverRay06/12/21 at 13:03Lightbulbfun: very cool finds! I wonder is the lamp with the bro...

HANOVIA sun lamp215 views2 commentsSilverRay05/12/21 at 20:12SilverRay: Yes, this lamp produce much more UV-C radiation, t...

HANOVIA sun lamp215 views2 commentsSilverRay05/12/21 at 19:49Andy: I remember buying something similar to this from a...

HANOVIA sun lamp320 views3 commentsSilverRay05/12/21 at 15:38FrontSideBus: That's quite neat!

WWII blackout lamps221 views3 commentsSilverRay04/12/21 at 13:40SilverRay: I guess You are right. These lamps were made by Wa...

HANOVIA sun lamp320 views3 commentsSilverRay04/12/21 at 13:36SilverRay: Indeed, mercury light is magnificent.

HANOVIA sun lamp320 views3 commentsSilverRay04/12/21 at 11:42Olav: The arc from mercury vapor is always fascinating.

WWII blackout lamps221 views3 commentsSilverRay03/12/21 at 22:28FrontSideBus: Look like repurposed valves.

WWII blackout lamps221 views3 commentsSilverRay03/12/21 at 21:41Andy: Very interesting, I have not seen lamps quite like...

Red lamps with T-H base134 views1 commentsSilverRay03/12/21 at 21:40Andy: This is a lovely photo Roman! Very Happy

Rare lamps (sunlamps) S-2498 views7 commentsSilverRay22/11/21 at 19:38Ash: The parts that are hottest are result of being the...

Rare lamps (sunlamps) S-2498 views7 commentsSilverRay22/11/21 at 17:10Lightbulbfun: Ooh wow! this is very awesome to see! I have seen ...

Rare lamps (sunlamps) S-2498 views7 commentsSilverRay22/11/21 at 07:47SilverRay: Perhaps because of hottest filament's parts w...

Rare lamps (sunlamps) S-2498 views7 commentsSilverRay21/11/21 at 22:09Ash: Why the arc doesn't climb into the filament ?

Rare lamps (sunlamps) S-2369 views5 commentsSilverRay18/11/21 at 13:43SilverRay: The LP mercury arc voltage is about 12-15 volts, b...

Rare lamps (sunlamps) S-2369 views5 commentsSilverRay18/11/21 at 11:09eclipsislamps: I think i need to attempt to make a replica of thi...

Rare lamps (sunlamps) S-2321 views4 commentsSilverRay18/11/21 at 08:27SilverRay: This is the old sunlamp made by GE in 1930th. I sa...

Rare lamps (sunlamps) S-2321 views4 commentsSilverRay18/11/21 at 08:06FrontSideBus: So what are these? Some sort of tungsten lamp with...

Rare lamps (sunlamps) S-2238 views2 commentsSilverRay18/11/21 at 06:09SilverRay: Yes, I didn't expect this effect in that lamp...

Rare lamps (sunlamps) S-2369 views5 commentsSilverRay18/11/21 at 06:06SilverRay: Thank You, Andy Smile

I'm happy to find a safe h...

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